US8202077B2 - Thermo compactor - Google Patents
Thermo compactor Download PDFInfo
- Publication number
- US8202077B2 US8202077B2 US12/419,452 US41945209A US8202077B2 US 8202077 B2 US8202077 B2 US 8202077B2 US 41945209 A US41945209 A US 41945209A US 8202077 B2 US8202077 B2 US 8202077B2
- Authority
- US
- United States
- Prior art keywords
- hopper
- machine
- panels
- expanded polystyrene
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004794 expanded polystyrene Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000008018 melting Effects 0.000 claims abstract description 12
- 238000000280 densification Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 5
- 229920006328 Styrofoam Polymers 0.000 abstract description 16
- 239000008261 styrofoam Substances 0.000 abstract description 16
- 229920001296 polysiloxane Polymers 0.000 abstract description 3
- 238000004873 anchoring Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 235000013305 food Nutrition 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
- B29B17/0047—Compacting complete waste articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Definitions
- This invention relates to the densification (melting) of Expanded Polystyrene (EPS) also known as Styrofoam.
- EPS Expanded Polystyrene
- the present invention relates particularly to the densification of used Styrofoam products through conductive heat and melting it into a block form to be used later in its recycling.
- Styrofoam products are widely used in the food service industry such as cafeteria's and lunch rooms for storing and serving food and drink. Despite the suitability of Styrofoam for these purposes, the cost of its disposal along with the environmental impact it has on our natural resources, many are faced with finding alternative methods for its disposal.
- the present invention is directed to overcoming one or more of the problems set forth above.
- Thermo Compactor is a specially designed machine for melting Polystyrene EPS (Styrofoam) in a clean or food contaminated state.
- the melting point of EPS is such that any contaminated EPS when melted with food particles such as found in lunch room settings are odor free and encapsulated into the melted plastic.
- the hopper frame and cabinet are made out of aluminum with insulation for heat retention.
- the heat for melting the Styrofoam material is derived from silicone heat blankets that are positioned in specific areas on the four trapezoidal sides of the lower hopper for correct heat transfer.
- the discharge area at the bottom of the hopper is encompassed by a Heated Tray Compartment which has heat blankets attached to each of its sides including the bottom plate.
- the heat produced from the Heat Draft Compartment allows for complete discharge of the melted plastic. Without the Heated Tray Compartment the melted plastic would cool too quickly and not drip into the holding tray.
- the holding tray is designed and positioned inside of the Heat Draft Compartment to catch all the melted plastic.
- the design of the holding tray is of a trapezoidal shape which allows for easy emptying.
- the operation of the machine is simple and restricted to loading the Styrofoam waste material into the top of either of the hopper lids and closing the hopper lid, switching the Thermo Compactor on/off and then removing the melted Styrofoam once it has cooled in the tray.
- FIG. 1 is a diagrammatic view, partially in section, of the outside cabinet assembly incorporating the subject invention consisting of:
- FIG. 2 is a diagrammatic view, partially in section, of the inside upper and lower hopper assemblies incorporating the subject invention consisting of:
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
A Styrofoam densification machine for melting used Expanded Polystyrene (Styrofoam) products. It includes a hopper for holding the disposed Styrofoam and a hopper discharge area for melting the used Styrofoam. The Hopper discharge area contains a heated tray compartment which holds a receiving tray for collection of melted Styrofoam. The compartment shall have two or less access area doors for the retrieval of the collection tray. The discharge and compartment tray areas have silicone heating pads on the outside of the panels for heat. The hopper is surrounded by a paneled cabinet which includes up to two inches of installation. The machine is loaded by way of mechanical hopper lid(s) which includes up to two lid panels, high temperature seals, hinges and handles for ease of opening. The machine sits on up to four (4) casters along with anchoring plates. The machine operates on 120 volts, 208 volts and 240 volts.
Description
This application claims the benefit of U.S. Provisional Application No. 61/125,627 filed Apr. 28, 2008, and incorporated herein by reference in its entirety.
This invention relates to the densification (melting) of Expanded Polystyrene (EPS) also known as Styrofoam. The present invention relates particularly to the densification of used Styrofoam products through conductive heat and melting it into a block form to be used later in its recycling.
Styrofoam products are widely used in the food service industry such as cafeteria's and lunch rooms for storing and serving food and drink. Despite the suitability of Styrofoam for these purposes, the cost of its disposal along with the environmental impact it has on our natural resources, many are faced with finding alternative methods for its disposal.
Presently, in the cafeteria/lunchroom settings where they serve on Styrofoam trays, it is customary to dispose of the tray by either dumping the tray along with the remaining food left on the tray into a garbage bag and dispose of all its contents. Others remove any food that is left on the tray into one garbage bag and stack and fill another bag with the trays, and in the process reduce their bag usage and freeing-up more dumpster space allowing for less pick-ups of the dumpster.
In recent years numerous companies in the plastic recycling industry have developed machines for the purpose of densifying Styrofoam products through hydraulic and pneumatic compression, heat transfer and chemical processes. These machines are usually used at large industrial settings along with strict processing requirements such as shredding, cleaning and filtering of the Styrofoam prior to densifying.
The present invention is directed to overcoming one or more of the problems set forth above.
The Thermo Compactor is a specially designed machine for melting Polystyrene EPS (Styrofoam) in a clean or food contaminated state. The melting point of EPS is such that any contaminated EPS when melted with food particles such as found in lunch room settings are odor free and encapsulated into the melted plastic. The hopper frame and cabinet are made out of aluminum with insulation for heat retention. The heat for melting the Styrofoam material is derived from silicone heat blankets that are positioned in specific areas on the four trapezoidal sides of the lower hopper for correct heat transfer. The discharge area at the bottom of the hopper is encompassed by a Heated Tray Compartment which has heat blankets attached to each of its sides including the bottom plate. The heat produced from the Heat Draft Compartment allows for complete discharge of the melted plastic. Without the Heated Tray Compartment the melted plastic would cool too quickly and not drip into the holding tray. The holding tray is designed and positioned inside of the Heat Draft Compartment to catch all the melted plastic. The design of the holding tray is of a trapezoidal shape which allows for easy emptying.
Operation:
The operation of the machine is simple and restricted to loading the Styrofoam waste material into the top of either of the hopper lids and closing the hopper lid, switching the Thermo Compactor on/off and then removing the melted Styrofoam once it has cooled in the tray.
- 1. Hopper Lid(s) assembly
- 2. Hopper Lid(s) rotating shaft
- 3. Hopper Lid(s) handle bracket
- 4. Hopper Lid(s) handles
- 5. Hopper cabinet panels
- 6. Hopper tray compartment door(s)
- 7. Hopper cabinet casters
- 8. Insulation surrounding upper hopper and lower hopper assemblies
- 9. Upper hopper assembly
- 10. Lower hopper discharge area
- 11. Silicone heating pads
- 12. Lower hopper tray compartment
- 13. Tray compartment collection tray
- 14. Lower hopper
Claims (18)
1. A machine for melting and densifying waste items composed of expanded polystyrene through heat transfer, the machine comprising:
a hopper for loading used expanded polystyrene material that includes a heated discharge section for heating and melting expanded polystyrene along with a heated tray compartment for collected melted expanded polystyrene;
wherein the hopper includes one or more substantially vertically disposed insulated walls that are configured to form an interior volume;
an upper hopper loading area within the hopper towards a top end of the hopper walls;
a lower hopper section within the hopper and below the upper hopper loading area, and including one or more inclined panels disposed and supported within the hopper having a top end thereof adjacent to the upper hopper loading area;
wherein the discharge section is connected to a bottom end of the lower hopper section; and
the tray compartment is disposed within the hopper and includes one or more substantially vertically disposed panels spaced inward of the one or more hopper walls and connected to the inclined panels of the lower hopper section and configured to form an interior space within which the discharge section is disposed;
heating pads affixed to outer surfaces of the one or more lower hopper section and tray compartment panels for heating the lower hopper section, tray compartment and/or discharge section to temperatures sufficient to melt the expanded polystyrene;
a tray disposed within the tray compartment below the discharge section for collecting melted expanded polystyrene;
one or more hopper lids operatively connected to hopper walls at the upper hopper loading area to open and close the hopper for loading used expanded polystyrene into the upper hopper loading area.
2. The machine as set forth in claim 1 , wherein said lower heated hopper and heated tray compartment are heated to temperatures of up to 450° F. through heat transfer that allows for densification and/or melting of expanded polystyrene material.
3. The machine as set forth in claim 1 , wherein said collection tray that allows for collecting densified/melted expanded polystyrene material, wherein the tray is a four sided tray whereas two short sides are trapezoid shaped and two long sides are flat panels, and wherein all sides are attached and form a tray that is a trapezoid cavity that when filled with densified/melted expanded polystyrene material it produces an expanded polystyrene block.
4. The machine as set forth in claim 1 , wherein said one or more mechanical hopper lids are a two piece lid-system that allows for loading the machine from either the right side or left, wherein the lid system is hinged at the center.
5. The machine as set forth in claim 4 , wherein the mechanical hopper lid system is a two part system whereas each lid is opened and operated independently of each other, and each lid is hinged and attached to its own shaft and handle and when rotated in the upward direction, opens lid(s) for loading of expanded polystyrene material.
6. The machine as set forth in claim 1 , wherein the said machine operates off of a wattage of 1800 or less, an amperage of 15 or less, a voltage of 115/120, single phase, 60 hertz.
7. The machine as set forth in claim 1 , wherein the one or more hopper walls are configured such that the hopper has a rectangular cross-sectional configuration and the hopper includes two insulated end walls and two insulated side walls, wherein the lid is operatively connected to a top of the hopper to open and close the upper hopper area.
8. The machine as set forth in claim 7 , wherein the one or more inclined panels of the lower hopper section include two panels that each extends from one end wall of the hopper to the other end wall.
9. A machine for melting and densifying waste items composed of expanded polystyrene, the machine comprising:
a plurality of insulated walls connected to one another forming in internal volume within which a hopper is supported, the hopper comprising:
an upper hopper loading area disposed toward a top end of the walls, within which the waste items are placed;
a lower hopper section below the upper loading area including at least two inclined panels; and,
a discharge section below the lower hopper section having an opening through which melted expanded polystyrene is deposited;
a collection compartment disposed within the internal volume of the machine walls and below the discharge section within which the melted expanded polystyrene is collected, wherein the collection compartment comprises at least two substantially vertically disposed panels which are approximately parallel and spaced apart and connected to the lower hopper section forming a space therebetween within which the discharge section is disposed; and,
a plurality of heating pads affixed to outer surfaces of the panels for the lower hopper section and the collection compartment to generate a sufficient heat within the lower hopper section, discharge section and/or collection compartment to melt the expanded polystyrene.
10. The machine of claim 9 , further comprising a removable tray disposed within the collection compartment and positioned below the opening of the discharge section for collecting the melted expanded polystyrene.
11. A machine for melting and densifying waste items composed of expanded polystyrene through heat transfer, the machine comprising:
a hopper for loading used expanded polystyrene material, said hopper including;
an upper hopper loading area including one or more substantially vertically disposed insulated walls that are configured to form an upper interior volume,
a lower hopper section below the upper hopper loading area and including one or more inclined panels that are configured to form a lower interior volume,
a discharge section connected to a bottom end of the inclined panels of the lower hopper section, said discharge section including a tray compartment including one or more substantially vertically disposed panels spaced inward of the substantially vertically disposed insulated walls of the upper hopper loading area and connected to the bottom end of the inclined panels of the lower hopper section,
heating pads affixed to outer surfaces of one or more of the inclined panels of the lower hopper section and one or more of the substantially vertically disposed panels of the tray compartment for heating the lower hopper section, the tray compartment and/or discharge section to temperatures sufficient to melt the expanded polystyrene, and
a tray disposed within the tray compartment below the discharge section for collecting melted expanded polystyrene.
12. The machine of claim 11 , wherein the heating pads include:
heating pads affixed to the outer surface of the inclined panels of the lower hopper section; and
substantially vertically disposed heating pads affixed to the outer surface of the substantially vertically disposed panels of the tray compartment.
13. The machine of claim 11 , wherein said hopper further comprises:
one or more inclined insulated walls, wherein a top end of the one or more inclined insulated walls is connected to a bottom end of the one or more substantially vertically disposed insulated walls of the upper loading area, and wherein said one or more inclined insulated walls are configured to at least enclose the lower interior volume.
14. The machine of claim 13 , wherein the one or more inclined insulated walls are oriented substantially parallel to the one or more inclined panels of the lower hopper section.
15. The machine of claim 13 , wherein said hopper further comprises:
one or more substantially vertically disposed insulated walls configured to at least enclose the discharge section, wherein a top end of the one or more substantially vertically disposed insulated walls is connected to a bottom end of the one or more inclined insulated walls.
16. The machine of claim 15 , wherein the one or more substantially vertically disposed insulated walls configured to enclose the discharge section are oriented substantially parallel to the one or more substantially vertically disposed panels of the tray compartment.
17. The machine of claim 13 , wherein the heating pads include heating pads affixed to the outer surface of the inclined panels of the lower hopper section;
and wherein the heating pads are affixed to the outer surface of the inclined panels such that the heating pads are substantially parallel to the one or more inclined insulated walls.
18. The machine of claim 15 , wherein the heating pads include substantially vertically disposed heating pads affixed to the outer surface of the substantially vertically disposed panels of the tray compartment;
and wherein the substantially vertically disposed heating pads are affixed to the outer surface of the substantially vertically disposed panels such that the substantially vertically disposed heating pads are substantially parallel to the one or more substantially vertically disposed insulated walls which at least enclose the discharge section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/419,452 US8202077B2 (en) | 2008-04-28 | 2009-04-07 | Thermo compactor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12562708P | 2008-04-28 | 2008-04-28 | |
US12/419,452 US8202077B2 (en) | 2008-04-28 | 2009-04-07 | Thermo compactor |
Publications (2)
Publication Number | Publication Date |
---|---|
US20100239704A1 US20100239704A1 (en) | 2010-09-23 |
US8202077B2 true US8202077B2 (en) | 2012-06-19 |
Family
ID=42737874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/419,452 Expired - Fee Related US8202077B2 (en) | 2008-04-28 | 2009-04-07 | Thermo compactor |
Country Status (1)
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US (1) | US8202077B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140265041A1 (en) * | 2013-03-15 | 2014-09-18 | Jason Womack | Polystyrene product remanufacturing apparatus and methods of use |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2512921B (en) * | 2013-04-12 | 2017-07-05 | Styromelt Ltd | Apparatus and method for volumetric reduction of synthetic polymeric textile material |
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-
2009
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Patent Citations (20)
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---|---|---|---|---|
US3551166A (en) * | 1964-10-23 | 1970-12-29 | Henkel & Cie Gmbh | Process for the preparation of dry culinary mixes |
US3639551A (en) * | 1969-07-24 | 1972-02-01 | Irby H Leach | Cyclic method for producing low-density polystyrene foam beads |
US4014462A (en) * | 1971-03-29 | 1977-03-29 | Robertson Joseph D | Scrap recovery and feed system |
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US9421696B2 (en) * | 2013-03-15 | 2016-08-23 | Jason Womack | Polystyrene product remanufacturing apparatus and methods of use |
Also Published As
Publication number | Publication date |
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US20100239704A1 (en) | 2010-09-23 |
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AS | Assignment |
Owner name: MAJOR FAMILY ESTATE, LLC, FLORIDA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MAJOR, WILLIAM C.;REEL/FRAME:029191/0378 Effective date: 20121001 |
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REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
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FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20160619 |